James "Buster" Douglas Knockout Boxing [Proto]SMS - Released on the 2005/06/28 - james_buster_douglas_knockout_boxing-proto-sms.zip [95 kb]
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Sega Master System CartridgeProduct Number: N/ACRC32: cfb4bd7b / MekaCRC: 92C27B97AF09FBE7Prototype version of the game. Only the ROM header is different from the final version.